# Dictionary and Thesaurus Pro vs Terminology

The clearest difference is price: Terminology at Free against Dictionary and Thesaurus Pro's $9.99. Terminology also leads on update cadence (every 4 weeks vs every 4 months). Dictionary and Thesaurus Pro's advantage is in-app purchases (none vs 2) and review sentiment (87% vs 71%). On rating, ratings volume, ads and device support there is nothing between them.

Terminology is free to download; Dictionary and Thesaurus Pro costs $9.99 up front. Terminology sells 2 in-app purchases, starting at $7.99 per year. Dictionary and Thesaurus Pro asks for nothing beyond the download.

Dictionary and Thesaurus Pro holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 2.6K and 1.1K respectively. Written reviews point the same way: 87% of Dictionary and Thesaurus Pro's written reviews are positive against 71% of Terminology's.

Dictionary and Thesaurus Pro ships an update every 4 months, Terminology every 4 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | Dictionary and Thesaurus Pro | Terminology |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/dictionary-and-thesaurus-pro/id492085918/reviews)** | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/terminology/id687798859/reviews) |
| Number of ratings | **2.6K** | 1.1K |
| Positive reviews | **86.6% of reviews** | 71.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#85** | — |
| Size | 22 MB | 101 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Farlex, Inc.](https://appshunter.io/developer/379450386) | [Agile Tortoise](https://appshunter.io/developer/331942785) |

## What reviewers say

### Dictionary and Thesaurus Pro

[App page](https://appshunter.io/ios/app/dictionary-and-thesaurus-pro/id492085918)

**Currently charting:** #85 Top Paid · Reference (US App Store)

Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.

**Highlights:** Ad-free experience, Offline English dictionary and thesaurus, Offline dictionaries in 13 languages, Offline translations to over 40 languages, Specialty dictionaries (Medical, Legal, etc.), Word games and daily content, Instant word lookup from other apps

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Comprehensive and detailed definitions
- 💡 Helpful translation and pronunciation features
- 👍 Useful word games and trivia
- 👍 Offline mode availability

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Limited thesaurus functionality
- 🔍 Lack of customization options
- 💰 Paid version required to remove ads

**Reported bugs**

- Search function sometimes fails to load definitions
- Offline mode has fewer word entries than online
- Occasional sync issues between online and offline data

**Requested features**

- Add more language dictionaries
- Improve thesaurus with more synonyms and antonyms
- Implement flashcard or vocabulary building features
- Allow users to save custom word lists


### Terminology

[App page](https://appshunter.io/ios/app/terminology/id687798859)

Explore the English language with this comprehensive tool. It offers dictionary and thesaurus functions, along with research capabilities to dive deeper into words and phrases. Extend its functionality with custom resources for web and app searches.

**Highlights:** Offline U.S. English dictionary, Synonyms, antonyms, and word relations, Customizable resources for web and app searches, Favorite and create term lists, Audio pronunciations, Wildcard and spelling suggestions, iCloud sync and backup

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Annual | $7.99 | per year |
| Lifetime | $29.99 | one-time |

**What reviewers like**

- 👍 Often used, helpful for finding words
- 🔍 Precise and detailed definitions
- 🔗 Integrates well with other apps and services
- 🔍 Comprehensive dictionary and thesaurus
- 💻 Works great on both iOS and macOS

**What reviewers complain about**

- 💰 Subscription model requires paying to remove ads
- 🔄 Functionality reduced in recent update
- 🔍 Some words missing from the dictionary
- 🔍 Clunky interface and navigation in latest version
- 🔍 Customization options behind paywall

**Reported bugs**

- Keyboard does not always appear when tapping search
- Crashes or freezes on some devices
- Difficulty adjusting volume for word pronunciations

**Requested features**

- Add ability to review and manage favorite words
- Implement quiz or flashcard features for learning new words
- Improve keyboard integration and shortcuts
- Add more comprehensive dictionary coverage
- Provide option to revert to previous app version


## Frequently asked questions

### Is Dictionary and Thesaurus Pro free?

Dictionary and Thesaurus Pro costs $9.99, with no in-app purchases.

### Is Terminology free?

Terminology is free to download, with in-app purchases available.

### Which has better reviews, Dictionary and Thesaurus Pro or Terminology?

Dictionary and Thesaurus Pro is rated higher. Dictionary and Thesaurus Pro averages 4.9 out of 5 from 2.6K ratings, while Terminology averages 4.7 from 1.1K ratings.

### Do Dictionary and Thesaurus Pro or Terminology have ads?

Neither Dictionary and Thesaurus Pro nor Terminology shows ads.

### Which is updated more often, Dictionary and Thesaurus Pro or Terminology?

Dictionary and Thesaurus Pro ships an update every 4 months, and Terminology every 4 weeks. Most recently, Dictionary and Thesaurus Pro was updated on November 1, 2026 and Terminology on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*